//
//  UIViewController+Ext.h
//  Weike
//
//  Created by leirz on 15/4/28.
//  Copyright (c) 2015年 winupon. All rights reserved.
//

#import <Foundation/Foundation.h>

@protocol BackButtonHandlerProtocol <NSObject>

@optional

// Override this method in UIViewController derived class to handle 'Back' button click

-(BOOL)navigationShouldPopOnBackButton;

@end

@interface UIViewController (Ext)<BackButtonHandlerProtocol>

@property(nonatomic,assign) BOOL animating;

@end
